An American astronomical evangelist coined the phrase ‘island universe’

Anniversary of Cincinnati astronomy society spotlights Civil War general Ormsby MacKnight Mitchel

A view deep into space from the Hubble Space Telescope shows numerous galaxies, huge collections of stars like the Milky Way. A century ago, astronomers called those galaxies “island universes,” a term introduced by Civil War general Ormsby MacKnight Mitchel.

NASA, ESA, G. Illingworth, D. Magee and P. Oesch/UCSC, R. Bouwens/Leiden University, and the HUDF09 Team

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